> From: John Kent
> Has anyone experienced the above and have an explanation

Maybe.   Except SYS.MESSAGE wasn't being corrupted, but rather text from
SYS.MESSAGE was corrupting other data files.
It this what you mean?

I think I have the dubious honour of finding it first (at least IBM
seemed to not know about it yet), about two years ago.  

Nov 23, 2005 release notes for 10.1.16 say it has a fix:

   7883 In certain circumstances, UniVerse may have incorrectly written
        information from the SYS.MESSAGE file into other files. This may
        have caused the header or a primary group of the file to be
        overwritten, resulting in file corruption. This problem has
        been fixed.

I was running Transaction Logging (TxLg) on UV 10.0.16, HPUX 11i when
logging crashed.
In it's aftermath, IBM found a piece of SYS.MESSAGES in a broken data
file.  Another TxLg crash yielded a piece of what should have been
written to a COMO file (from a job that recycled used TxLg logfiles).  I
have assumed the two are related.

>
> I have seen some postings at indexinfocus but no resolution.
>

I whined and complained on this list in Summer 2004, and at the IBM Las
Vegas conference.
John, did you find other postings besides mine?
The above release note, is the next I heard of any progress on the
subject.

> There doesnt appear to be any 3rd part software involved and 
> the application software doesnt ever reference this file but 
> its occurred 3 times in the last 3 months.

Were you using TxLg?
 
> The quick fix was to make the file read only.

My quick fix was to turn of TxLg. (It is supposed to make the system
more robust, but we experienced our only crashes because of Transaction
Logging.  My humourless management was not consoled by the irony.)

> [snip]
> 
> I cant reproduce this error and the same update can be run 
> from the menu immediatiatly after the error without a problem.
> 

I could not reproduce the problem on our test system and we turned off
TxLging in production. 

> [snip]
>
> Any suggestions appreciated
> 
> jak

I need to find out if they think the COMO write to the wrong file is
also solved.
Before your post no one has ever mentioned to me that anyone else has
ever experienced this.
The release notes say nothing about TxLg.
The release notes say nothing about COMO or other files besides
SYS.MESSAGES.
Has anyone seen anything like this with other files?

Charles Stevenson
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